【单选题】Early in the film 'A Beautiful Mind', the mathematician John Nash is seen sitting in a Princeton courtyard, hunched over a playing board covered with small black and white pieces that look like pebble...
A.
Programming other board games has been relatively easy.
B.
Programming other board games has been relatively difficult.
C.
Programming other board games has been relatively complicated.
D.
Programming other board games has been relatively predictable.